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SEM images of rAdMSCs cultured on the scaffolds at days 7 and 18. Chitosan ratios (w/v) of the scaffolds without crosslinking: MC2 (2%), MC3 (3%); with crosslinking at the same chitosan ratios MCG2 and MCG3. Control chitosan, C2, prepared using 2% (w/v) low DD chitosan solution.
